摘要:
An oscillatory wave motor, a lens barrel, and a camera system are provided, which have long service lives and which are stable. An oscillatory wave motor includes an oscillator which generates oscillation on an elastic member in accordance with excitation of an electromechanical conversion element, and a relative movement member which is pressurized to make contact with the oscillator and which moves relative to the oscillator in accordance with the oscillation. The oscillatory wave motor has an epoxy resin film formed of silicon beads and an epoxy resin and which is formed on at least one of frictional contact surfaces of the oscillator and the relative movement member.
摘要:
A vibration actuator that is easy to manufacture and has good driving performance, and a lens-barrel and a camera provided with the same. The vibration actuator is provided with an oscillator that generates oscillations; and a relative movement member that is pressure contacts the oscillator, and moves relative to the oscillator due to the oscillation. Either a contact face of the oscillator with respect to the relative movement member or a contact face of the relative movement member with respect to the oscillator is a thermosetting resin film that is formed of polyamide-imide resin and fluororesin, and the other contact face is an anodic oxide film.
摘要:
An oscillatory wave motor, a lens barrel, and a camera system are provided, which have long service lives and which are stable. An oscillatory wave motor includes an oscillator which generates oscillation on an elastic member in accordance with excitation of an electromechanical conversion element, and a relative movement member which is pressurized to make contact with the oscillator and which moves relative to the oscillator in accordance with the oscillation. The oscillatory wave motor has an epoxy resin film formed of silicon beads and an epoxy resin and which is formed on at least one of frictional contact surfaces of the oscillator and the relative movement member.
摘要:
A vibration actuator that is easy to manufacture and has good driving performance, and a lens-barrel and a camera provided with the same. The vibration actuator is provided with an oscillator that generates oscillations; and a relative movement member that is pressure contacts the oscillator, and moves relative to the oscillator due to the oscillation. Either a contact face of the oscillator with respect to the relative movement member or a contact face of the relative movement member with respect to the oscillator is a thermosetting resin film that is formed of polyamide-imide resin and fluororesin, and the other contact face is an anodic oxide film.
摘要:
A component suction method including feeding components (8) accommodated in component storage spaces (9c) of a tape base (9a) to a predetermined position, lowering a nozzle (7) capable of sucking the components supplied to the predetermined position, stopping the nozzle (7) at a predetermined distance from an upper surface of the tape base, pushing an undersurface of the component up when the nozzle is at a bottom dead center position or a position adjacent to the center, vacuum-sucking the component by the nozzle at the bottom dead center position or at the position adjacent to the center, and moving the component sucked by the nozzle to a predetermined position of a board after the vacuum-sucking.
摘要:
A porous regenerated cellulose hollow fiber obtained by a micro-phase-separation method is described. The hollow fiber is characterized in that the viscosity average molecular weight is at least 5.times.10.sup.4, each of the average pore diameter D.sub.1 on the inner wall surface of the hollow fiber and the average pore diameter D.sub.2 on the outer wall surface is 0.02 to 10 .mu.m, the in-plane porosity Pr on the outer wall surface is at least 10%, and the hollow fiber comprises a wall thickness portion having pores piercing therethrough between the inner wall surface and outer wall surface and a hollow portion extending continuously over the entire fiber length. The hollow fiber is prepared by a process characterized in that at the steps of extruding a cuprammonium solution of a cellulose from an annular spinning orifice and coagulating, regenerating and water-washing the extrudate, the spinning solution is extruded from an outer annular spinning orifice and a liquid having a coagulating action to the spinning solution is extruded from a central spinning orifice, and micro-phase-separation is caused to occur before the coagulation.
摘要:
Provided is a rectangular coordinate type robot, in which spaced-apart first tables are provided with respective first moving units that are guided along the first tables, and a second table has its one end connected to the first moving unit provided for one of the first tables and the other end connected to the first moving unit provided for the other first table. The end portions of the second table and the first moving units are connected with each other via connecting members that have a rigidity in the movement direction of the first moving unit and a resiliency in the direction extending along the second table.
摘要:
The present invention is intended to feed components stably and speedily in a component feed apparatus whereby components stored in the form of a taped component, while being transferred along a component feed guide, are sequentially supplied to a predetermined position to be mounted to a printed board. In order to accomplish the object, a magnet is set in the vicinity of a slit of a component feed guide at which a covering tape is separated from the taped component. The magnet magnetically attracts the component, to thereby prevent the component from being forcibly dragged together with the covering tape when the covering tape is separated. Quick and stable supply of the component can be accordingly ensured.
摘要:
An apparatus for grinding spherical surfaces of workpieces includes a grinding section having a grindstone rotating mechanism for rotating around an axis of a shaft thereof with a grindstone held at an end of the shaft, a feeding mechanism for feeding the grindstone rotating mechanism toward the workpiece in a direction along the shaft, and a fixing mechanism for holding the grindstone rotating mechanism and the feeding mechanism and determining an angle 1 inclination of the short of the grindstone rotating mechanism with respect to the workpiece. A plurality of workpiece holding mechanisms are provided for holding the workpieces at ends of shafts thereof, the workpiece held by at least one of the workpiece holding mechanisms being opposed to the grindstone. A workpiece rotating mechanism is provided for rotating the workpiece holding mechanism which holds the workpiece opposed to the grindstone. A workpiece positioning section is provided for holding the workpiece holding mechanisms and being rotated and stopped so that an unground workpiece held by at least one of the workpiece holding mechanisms is placed at a workpiece replacing position when a ground workpiece held by the other of the workpiece holding mechanisms has been placed at a grinding position of the grindstone rotating mechanism.
摘要:
An apparatus for polishing spherical surfaces of workpieces includes a polishing device rotating on a shaft thereof while holding a polishing tool at an end of the shaft. A pivoting device pivots the polishing device around a polishing position of the tool. A plurality of workpiece holders each hold a workpiece at an end thereof so that one of the workpieces is opposed to the tool. Workpiece holder-holding devices hold the workpiece holders so as to be rotatably and vertically movably. A workpiece holder-pressing device presses at least one of the workpiece holders held by the workpiece holder-holding device against the tool. A rotary table rotates while holding the workpiece holders and the workpiece holder-holding devices, thus placing at least one of the workpiece holders at a workpiece replacing position when the other of the workpiece holders is placed at the polishing position of the polishing device.